Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cetesa.com.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 05:18:02 UTC · ↺ Refresh
MX Hostnames
- cetesa-com-co.mail.protection.outlook.com
MX Priorities
- cetesa-com-co.mail.protection.outlook.com: 0
A / AAAA Records
- 147.93.64.206 (no PTR)
Mail Server IPs
- 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
nameserver01.mi.com.co hostmaster.cetesa.com.co 1773878400 10800 3600 1209600 3600
Primary NS (mname)
nameserver01.mi.com.co
Admin Email (rname)
hostmaster@cetesa.com.co
Serial
1773878400
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
nameserver04.mi.com.co
nameserver01.mi.com.co
nameserver02.mi.com.co
nameserver03.mi.com.co
SPF Record
✓ Strict (-all)
v=spf1 ip4:80.78.5.106 ip4:199.244.75.172 ip4:35.196.68.154 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- MS=ms83234642
- google-site-verification=g4_AIep8wr8vJIRYjDB8YmKBFwqdSFWxpGDCzZMqUa8
- SPFv=spf1 ip4:80.78.5.106 ip4:199.244.75.172 ip4:35.196.68.154 include:spf.protection.outlook.com -all
- juffnrnptn89vjmqosjvngmq55
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for cetesa.com.co
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits